TY - JOUR T1 - An Efficient Stock Market? Ridiculous! JF - The Journal of Portfolio Management SP - 31 LP - 38 DO - 10.3905/jpm.1983.31 VL - 9 IS - 4 AU - Robert A Ferguson Y1 - 1983/07/31 UR - https://pm-research.com/content/9/4/31.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -